Phase State Diagrams - Harold Brochmann
Phase diagrams reveal much information about physical phenomena. Brochmann illustrates with a variety of graphs created by computer programs. Phase state diagrams of unstable orbits reveal 'strange attractors', useful in a variety of fields including
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Randomise Me - Better Data Limited
This platform for running trials randomizes participants and asks them the questions you choose at pre-specified dates or times. As study subjects report their outcomes, Randomise Me measures the difference between the two groups, and calculates the statistical
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Scientific American
The online version of the technology magazine, with interlinked articles, interviews with scientists, Ask the Experts, and Explorations, guided tours across the Web of recent technological developments. An archive of past articles is included.
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Shodor Education Foundation, Inc.
A non-profit research and education organization dedicated to the advancement of science and math education, specifically through the use of modeling and simulation technologies. Interactive middle school lessons aligned with curricula are available through
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A Viral Dilemma - Ivars Peterson (MathTrek)
An article that discusses how, in effect, a virus is caught up in a version of the prisoners' dilemma, a widely studied game in which acting for individual advantage clashes with acting for the collective benefit. Game theorists devised the prisoners'
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Viral shell game - Ivars Peterson - Science News Online
The success of a virus in infecting its host depends largely on how well its outer coat functions. Made up of protein building blocks, this tightly closed shell usually has a geometric structure... Mathematical research suggests that sets of simple rules,
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The Why Files - University of Wisconsin
An electronic exploration of the issues of science, math, and technology that lurk behind the headlines of the day, presenting those topics in a clear, entertaining and accessible manner. Provides a bimonthly feature on the science of everyday life, archived
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